Finding the Fourth Proportional to 1,049.76, 1,574.88 and 401.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,049.76 : 1,574.88 = 401.52 : x
2. Step 2: Convert to fraction form
   1,049.76/1,574.88 = 401.52/x
3. Step 3: Cross multiply
   1,049.76x = 1,574.88 × 401.52
4. Step 4: Simplify right side
   1,049.76x = 632,345.82
5. Step 5: Solve for x
   x = 632,345.82/1,049.76
6. Step 6: Final answer
   x = 602.37